Why Not Develop Early Detection for Batteries?

12/25/2025

With the lithium ion battery problem, why not develop or use detection which sounds alarm if a hazard is developing?

Is that already a path people are recommending? Are there methods that already pick up on this?

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5 Comments

Chris Nelson

12/25/2025 08:09:16 am

Li-ion Tamer is one early detection

Material science is one check out Viridi batteries

It's happening, just got a know where to look

Chad

12/25/2025 01:09:03 pm

Siemens FDA241. aspiration detector for battery off gassing.

12/29/2025 08:06:31 am

Trouble with using gas detection for early detection is that these battery modules are IP66 or IP67, meaning that the failure has already occurred by the time enough trace amount of gas leaks out to trigger these sensors. However, early detection strategies are being incorporated at the battery management level or at the module looking at the state of health of the batteries and some using proprietary trending data to announce the alarm which is getting better and better.

Regardless of the improvements the EOR in charge of the hazard mitigation analysis, or other risk analysis, will need to factor in the failure of such system to evaluate the resulting hazard and the mitigation approaches.

Ed Millea

12/31/2025 05:19:35 pm

Would a contact or ir temperature sensor system monitoring the barretry be a possible answer. As I understand it thermal run away is a large part of the problem.

Matthew Coaley

1/5/2026 10:00:13 am

It really depends on the configuration of the Li-ion battery structure on whether it is located within a module or exposed as a cell.

More often than not, the vapor cloud would ignite instantaneously once exposed to the ambient environment; however, I have seen organic detectors that can detect gas vapors as a form of early detection, but the best I have seen is temperature monitoring direct to the cell or module, normally in a range of ambient +/- 3 degrees centigrade.

Hope this helps.

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Why Not Develop Early Detection for Batteries?

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